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Finding the Fourth Proportional to 93,771.62, 129,406.06 and 51,329.24

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Solution

The fourth proportional to 93,771.62, 129,406.06 and 51,329.24 is: 70,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,771.62 : 129,406.06 = 51,329.24 : x
  2. Step 2: Convert to fraction form
    93,771.62/129,406.06 = 51,329.24/x
  3. Step 3: Cross multiply
    93,771.62x = 129,406.06 × 51,329.24
  4. Step 4: Simplify right side
    93,771.62x = 6,642,314,711.19
  5. Step 5: Solve for x
    x = 6,642,314,711.19/93,771.62
  6. Step 6: Final answer
    x = 70,835.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.